宁夏气象观测站的降水数据分析

 import os

    
 import pandas as pd
    
 from collections import defaultdict
    
  
    
 # 设置文件目录
    
 data_dir = r'D:\气象数据\日值降水、气温、蒸发_1951-1987\日值降水、气温、蒸发\降水'
    
 output_dir = os.path.join(data_dir, '宁夏')
    
 os.makedirs(output_dir, exist_ok=True)
    
  
    
 # 定义要提取的区站号列表
    
 target_stations = {
    
     '53517', '53518', '53519', '53603', '53610', '53611', '53612', '53614', '53615', '53617', '53618',
    
     '53619', '53704', '53705', '53707', '53723', '53727', '53806', '53810', '53817', '53881', '53903', 
    
     '53910', '53914', '53916'
    
 }
    
  
    
 # 初始化一